Outside Diameter of Up Tube:2.89cm/1.138inch and 38.1mm/1.5 inch for lower leg, Suspension forks does not work well with Bicycle handle bar which fits well on out leg diameter 3.15cm to 3.18cm(1.24inch to 1.25inch) of triple tree fork.
Note:Suspension forks does not work well with bicycle handle bar (for out leg 31.5mm-31.8mm),fit the CDHPOWER 29MM Handle Bar,pls click the link:https://www.ebay.com/itm/124204063311
Black TRIPLE TREE SUSPENSION FORK IS COMPATIBLE WITH CDHpower GAS TANK FRAMES.
26" black front fork: suspension with double shoulder;
Disc brake bracket and V brake bracket; compatible with 26"*2.5tire max;
1 1/8" headset included as a gift and works well with the fork;
Outside Diameter of Up Tube:2.89cm/1.138inch and 38.1mm/1.5 inch for lower leg;
Suspension forks does not work well with Bicycle handle bar which fits well on out leg diameter 3.15cm to 3.18cm(1.24inch to 1.25inch) of triple tree fork